Question

an atom x has 2,8,7 electron in its shell.It combines with y having 1 electron in its outermost shell .what is the formula of the compound formed?

Answer 1

Chlorine's configuration- 2, 8, 7
Sodium's configuration - 2' 8 ,1
Let x be chlorine (cl)
And y be sodium (na)
Therefore compound will be
Nacl (sodium chloride).


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